Flank wear depends upon the

A. Hardness of the work and tool material at the operating temperature

B. Amount and distribution of hard constituents in the work material

C. Degree of strain hardening in the chip

D. All of these

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  1. A single point tool has
  2. The usual value of the helix angle of a drill is
  3. When the shear angle is small
  4. The parameter which completely defines the chip formation in a metal cutting process is
  5. The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent,…
  6. The type of tool used on milling machine and broaching machine is
  7. The broaching operation in which the work moves past the stationary tool is called
  8. The cutting speed is maximum while machining __________ with a high speed steel tool.
  9. Which of the following statement is wrong?
  10. The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
  11. The broaching operation in which either the work or the tool moves across the other, is known as
  12. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  13. In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent…
  14. Tool life is measured by the
  15. Which of the following operations can be performed with milling cutters?
  16. Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
  17. A __________ grinding wheel is used to grind soft materials.
  18. The addition of lead, sulphur and phosphorus to low carbon steels, help to
  19. In oblique cutting of metals, the cutting edge of the tool is
  20. The tool may fail due to
  21. For softer materials, the point angle of the drill is kept
  22. The helix angle of a drill is __________ for drilling brass.
  23. Cast iron during machining produces
  24. In centreless grinding, work place centre will be
  25. Carbide tipped tools usually have
  26. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  27. The hard grade grinding wheels are denoted by the letters
  28. In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then…
  29. The chamfering is an essential operation after
  30. The operation of smoothing and squaring the surface around a hole is known as